<template>
  <div class="pei-charts">

    <div id="pieChart1" style="width: 100%;height: 100%" />
  </div>
</template>

<script>
var echarts = require('echarts')
export default {
  components: {

  },
  data() {
    return {

    }
  },
  computed: {

  },
  created() {

  },
  mounted() {
    this.initMyChart()
  },
  methods: {
    initMyChart() {
      // 基于准备好的dom，初始化echarts实例
      var myChart = echarts.init(document.getElementById('pieChart1'))
      var option = {
        backgroundColor: '#2c343c',

        title: {
          text: 'Customized Pie',
          left: 'center',
          top: 20,
          textStyle: {
            color: '#ccc'
          }
        },

        tooltip: {
          trigger: 'item',
          formatter: '{a} <br/>{b} : {c} ({d}%)'
        },

        visualMap: {
          show: false,
          min: 80,
          max: 600,
          inRange: {
            colorLightness: [0, 1]
          }
        },
        series: [
          {
            name: '访问来源',
            type: 'pie',
            radius: '55%',
            center: ['50%', '50%'],
            data: [
              { value: 335, name: '直接访问' },
              { value: 310, name: '邮件营销' },
              { value: 274, name: '联盟广告' },
              { value: 235, name: '视频广告' },
              { value: 400, name: '搜索引擎' }
            ].sort(function(a, b) { return a.value - b.value }),
            roseType: 'radius',
            label: {
              color: 'rgba(255, 255, 255, 0.3)'
            },
            labelLine: {
              lineStyle: {
                color: 'rgba(255, 255, 255, 0.3)'
              },
              smooth: 0.2,
              length: 10,
              length2: 20
            },
            itemStyle: {
              color: '#c23531',
              shadowBlur: 200,
              shadowColor: 'rgba(0, 0, 0, 0.5)'
            },

            animationType: 'scale',
            animationEasing: 'elasticOut',
            animationDelay: function(idx) {
              return Math.random() * 200
            }
          }
        ]
      }
      myChart.setOption(option)
    }
  }
}
</script>

<style scoped lang="scss">
  .pei-charts{
    width: 100%;
    height: 100%;
  }
</style>
